def test_sliding_last_window_to_halt(self):
timestamp_lower = EpochNSClock.generate_timestamp()
sleep(0.5)
timestamp_upper = EpochNSClock.generate_timestamp()
window_range_ns = timestamp_upper - timestamp_lower
timestamp_a = timestamp_lower
timestamp_b = timestamp_a + window_range_ns
timestamp_c = timestamp_b + window_range_ns + 1
predicate_a = BoboPredicateCallable(predicate_key_a_value_a)
predicate_b = BoboPredicateCallable(predicate_key_a_value_b)
predicate_c = BoboPredicateCallable(predicate_key_a_value_c)
predicate_first_window = WindowSlidingLast(window_range_ns)
event_a = PrimitiveEvent(timestamp_a, {KEY: VAL_1})
event_b = PrimitiveEvent(timestamp_b, {KEY: VAL_2})
event_c = PrimitiveEvent(timestamp_c, {KEY: VAL_3})
pattern_a = BoboPattern() \
.followed_by(LABEL_LAYER_A, predicate_a) \
.followed_by(LABEL_LAYER_B, predicate_b) \
.followed_by(LABEL_LAYER_C, predicate_c) \
.precondition(predicate_first_window)
handler = BoboNFAHandler(BoboRuleBuilder.nfa(NFA_NAME_A, pattern_a),
SharedVersionedMatchBuffer())
handlersub = NFAHandlerSubscriber()
handler.subscribe(handlersub)
handler.process(event_a)
handler.process(event_b)
handler.process(event_c)
self.assertEqual(len(handlersub.final), 1)
def test_sliding_first_window_to_halt(self):
predicate_a = BoboPredicateCallable(predicate_key_a_value_a)
predicate_b = BoboPredicateCallable(predicate_key_a_value_b)
predicate_c = BoboPredicateCallable(predicate_key_a_value_c)
predicate_first_window = WindowSlidingFirst(
interval_sec=range_sec)
event_a = PrimitiveEvent(timestamp_low, {KEY: VAL_1})
event_b = PrimitiveEvent(timestamp_mid, {KEY: VAL_2})
event_c = PrimitiveEvent(timestamp_upp, {KEY: VAL_3})
pattern_a = BoboPattern() \
.followed_by(LABEL_LAYER_A, predicate_a) \
.followed_by(LABEL_LAYER_B, predicate_b) \
.followed_by(LABEL_LAYER_C, predicate_c) \
.precondition(predicate_first_window)
handler = BoboNFAHandler(
BoboRuleBuilder.nfa(NFA_NAME_A, pattern_a),
SharedVersionedMatchBuffer())
handlersub = NFAHandlerSubscriber()
handler.subscribe(handlersub)
handler.process(event_a)
handler.process(event_b)
handler.process(event_c)
self.assertEqual(len(handlersub.final), 1)
def test_to_dict(self):
# Create primitive event
p_timestamp = EpochNSClock.generate_timestamp()
p_event = PrimitiveEvent(timestamp=p_timestamp, data=P_DATA)
p_hist = "p_hist"
# Create composite event
c_timestamp = EpochNSClock.generate_timestamp()
c_history = BoboHistory()
c_event = CompositeEvent(timestamp=c_timestamp,
name=C_NAME,
history=c_history,
data=C_DATA)
c_hist = "c_hist"
# Create list of events for history
events = {p_hist: [p_event], c_hist: [c_event]}
# Create history and add events
history = BoboHistory(events=events)
self.assertDictEqual(history.to_dict(), {
p_hist: [p_event.to_dict()],
c_hist: [c_event.to_dict()]
})
def test_invalid_min_0(self):
validator = StrDictValidator(min_length=0)
self.assertFalse(validator.validate(None))
self.assertFalse(validator.validate(""))
self.assertFalse(validator.validate(123))
self.assertFalse(validator.validate(123.456))
self.assertFalse(validator.validate(True))
self.assertFalse(validator.validate(False))
self.assertFalse(validator.validate(BoboHistory()))
self.assertFalse(
validator.validate(
PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())))
# as a dict
self.assertFalse(validator.validate({KEY_A: None}))
self.assertFalse(validator.validate({KEY_A: 123}))
self.assertFalse(validator.validate({KEY_A: 123.456}))
self.assertFalse(validator.validate({KEY_A: True}))
self.assertFalse(validator.validate({KEY_A: False}))
self.assertFalse(validator.validate({KEY_A: BoboHistory()}))
self.assertFalse(
validator.validate({
KEY_A:
PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())
}))
def test_nondeterministic_loop_success(self):
pattern_loop = BoboPattern() \
.followed_by(LABEL_LAYER_A,
BoboPredicateCallable(predicate_key_a_value_a)) \
.followed_by(LABEL_LAYER_B,
BoboPredicateCallable(predicate_key_a_value_b),
loop=True) \
.followed_by(LABEL_LAYER_C,
BoboPredicateCallable(predicate_key_a_value_c)) \
.followed_by(LABEL_LAYER_D,
BoboPredicateCallable(predicate_key_a_value_d))
nfa, buffer, handler, handlersub = handler_setup(nfa_name=NFA_NAME_A,
pattern=pattern_loop)
event_b1 = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data=event_b.data)
event_b2 = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data=event_b.data)
event_c1 = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data=event_c.data)
event_c2 = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data=event_c.data)
# first run cloned
handler.process(event_a)
handler.process(event_b)
self.assertEqual(1, len(handler.runs.values()))
run = list(handler.runs.values())[0]
# first run loops
handler.process(event_b1)
self.assertEqual(1, len(handler.runs.values()))
# second run cloned
handler.process(event_c1)
self.assertEqual(2, len(handler.runs.values()))
# first run increments
handler.process(event_b2)
self.assertEqual(2, len(handler.runs.values()))
# third run cloned
handler.process(event_c2)
self.assertEqual(3, len(handler.runs.values()))
# second and third run reach final state
handler.process(event_d)
self.assertEqual(1, len(handler.runs.values()))
# first run is the only run left
self.assertEqual(run, list(handler.runs.values())[0])
def test_to_dict(self):
p_timestamp = EpochNSClock.generate_timestamp()
p_data = {"p_key": "p_value"}
p_event = PrimitiveEvent(timestamp=p_timestamp, data=p_data)
self.assertDictEqual(
p_event.to_dict(), {
PrimitiveEvent.TIMESTAMP: p_timestamp,
PrimitiveEvent.DATA: p_data,
PrimitiveEvent.EVENT_ID: p_event.event_id
})
def test_1_level_10_increments_1_event_per_increment(self):
buffer = SharedVersionedMatchBuffer()
run_id = generate_unique_string()
events = [
PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())
for _ in range(10)
]
version = RunVersion()
version.add_level(run_id)
version_current = version.get_version_as_str()
for event in events:
version.increment_level(generate_unique_string())
version_next = version.get_version_as_str()
buffer.put_event(nfa_name=NFA_NAME_A,
run_id=run_id,
version=version_current,
state_label=LABEL_LAYER_A,
event=event,
new_version=version_next)
version_current = version_next
history_events = buffer.get_all_events(
nfa_name=NFA_NAME_A, run_id=run_id,
version=version).events[LABEL_LAYER_A]
self.assertEqual(10, len(history_events))
for event in events:
self.assertTrue(event in history_events)
def primitive(d: dict) -> PrimitiveEvent:
"""Creates a PrimitiveEvent instance from serialized representation of
one.
:param d: A dict representation of a PrimitiveEvent instance.
:type d: dict
:raises RuntimeError: Timestamp not found in dict.
:raises RuntimeError: Data not found in dict.
:return: A PrimitiveEvent instance.
"""
timestamp = d.get(PrimitiveEvent.TIMESTAMP)
if timestamp is None:
raise RuntimeError("Timestamp not found in dict.")
data = d.get(PrimitiveEvent.DATA)
if data is None:
raise RuntimeError("Data not found in dict.")
event_id = d.get(PrimitiveEvent.EVENT_ID)
if event_id is None:
raise RuntimeError("Event ID not found in dict.")
return PrimitiveEvent(timestamp=timestamp,
data=data,
event_id=event_id)
def test_add_recent(self):
nfa, buffer, handler, handlersub = handler_setup(
nfa_name=NFA_NAME_A, pattern=pattern_relaxed, max_recent=2)
p_event = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data={})
sleep(0.1)
c_event = CompositeEvent(timestamp=EpochNSClock.generate_timestamp(),
name=EVENT_NAME_A,
history=BoboHistory(),
data={})
sleep(0.1)
a_event = ActionEvent(timestamp=EpochNSClock.generate_timestamp(),
name=EVENT_NAME_B,
success=True,
for_event=c_event)
handler.add_recent(p_event)
handler.add_recent(c_event)
self.assertTrue(p_event in handler._recent)
self.assertTrue(c_event in handler._recent)
handler.add_recent(a_event)
self.assertFalse(p_event in handler._recent)
self.assertTrue(c_event in handler._recent)
self.assertTrue(a_event in handler._recent)
def format(self, data) -> PrimitiveEvent:
"""
:param data: The data to format.
:return: A new PrimitiveEvent instance containing the data.
"""
return PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data=data)
def test_remove_all_pointers_two_match_events(self):
event_a = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())
event_b = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())
match_a = MatchEvent(nfa_name=NFA_NAME_A,
label=LABEL_LAYER_A,
event=event_a)
match_b = MatchEvent(nfa_name=NFA_NAME_A,
label=LABEL_LAYER_B,
event=event_b)
version = RunVersion()
version.add_level(
BoboRun._generate_id(nfa_name=NFA_NAME_A,
start_event_id=event_a.event_id))
version_str = version.get_version_as_str()
# match events should start with no pointers
self.assertFalse(match_a.has_pointers())
self.assertFalse(match_b.has_pointers())
# match a --next--> match b
match_a.add_pointer_next(version=version_str,
event_id=match_b.event.event_id)
# match a <--previous-- match b
match_b.add_pointer_previous(version=version_str,
event_id=match_a.event.event_id)
# match events both have pointers
self.assertTrue(match_a.has_pointers())
self.assertTrue(match_b.has_pointers())
# removing pointers from one match event
match_a.remove_all_pointers(version=version_str)
self.assertFalse(match_a.has_pointers())
self.assertTrue(match_b.has_pointers())
# all pointers removed
match_b.remove_all_pointers(version=version_str)
self.assertFalse(match_a.has_pointers())
self.assertFalse(match_b.has_pointers())
def test_valid_function(self):
f = BoboPredicateCallable(valid_function)
history = BoboHistory()
recent = []
self.assertTrue(
f.evaluate(event=PrimitiveEvent(EpochNSClock.generate_timestamp(),
KEY_VALUE),
history=history,
recent=recent))
def test_fixed_window_to_final(self):
timestamp_lower = EpochNSClock.generate_timestamp()
sleep(0.1)
timestamp_a = EpochNSClock.generate_timestamp()
sleep(0.1)
timestamp_b = EpochNSClock.generate_timestamp()
sleep(0.1)
timestamp_c = EpochNSClock.generate_timestamp()
sleep(0.1)
timestamp_upper = EpochNSClock.generate_timestamp()
sleep(0.1)
predicate_a = BoboPredicateCallable(predicate_key_a_value_a)
predicate_b = BoboPredicateCallable(predicate_key_a_value_b)
predicate_c = BoboPredicateCallable(predicate_key_a_value_c)
predicate_fixed_window = WindowFixed(timestamp_lower,
timestamp_upper)
event_a = PrimitiveEvent(timestamp_a, {KEY: VAL_1})
event_b = PrimitiveEvent(timestamp_b, {KEY: VAL_2})
event_c = PrimitiveEvent(timestamp_c, {KEY: VAL_3})
pattern_a = BoboPattern() \
.followed_by(LABEL_LAYER_A, predicate_a) \
.followed_by(LABEL_LAYER_B, predicate_b) \
.followed_by(LABEL_LAYER_C, predicate_c) \
.precondition(predicate_fixed_window)
handler = BoboNFAHandler(
BoboRuleBuilder.nfa(NFA_NAME_A, pattern_a),
SharedVersionedMatchBuffer())
handlersub = NFAHandlerSubscriber()
handler.subscribe(handlersub)
handler.process(event_a)
handler.process(event_b)
handler.process(event_c)
self.assertEqual(len(handlersub.final_history), 1)
self.assertDictEqual(handlersub.final_history[0].events,
{LABEL_LAYER_A: [event_a],
LABEL_LAYER_B: [event_b],
LABEL_LAYER_C: [event_c]})
def test_nondeterministic_success(self):
pattern_nondet = BoboPattern() \
.followed_by(LABEL_LAYER_A,
BoboPredicateCallable(predicate_key_a_value_a)) \
.followed_by_any(LABEL_LAYER_B_C,
[BoboPredicateCallable(predicate_key_a_value_b),
BoboPredicateCallable(
predicate_key_a_value_c)]) \
.next(LABEL_LAYER_D,
BoboPredicateCallable(predicate_key_a_value_d))
nfa, buffer, handler, handlersub = handler_setup(
nfa_name=NFA_NAME_A, pattern=pattern_nondet)
event_d1 = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data=event_d.data)
event_d2 = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data=event_d.data)
handler.process(event_a)
handler.process(event_b)
handler.process(event_d1)
self.assertEqual(len(handlersub.final_history), 1)
self.assertDictEqual(
handlersub.final_history[0].events, {
LABEL_LAYER_A: [event_a],
LABEL_LAYER_B_C: [event_b],
LABEL_LAYER_D: [event_d1]
})
handler.process(event_c)
handler.process(event_d2)
self.assertEqual(len(handlersub.final_history), 2)
self.assertDictEqual(
handlersub.final_history[1].events, {
LABEL_LAYER_A: [event_a],
LABEL_LAYER_B_C: [event_c],
LABEL_LAYER_D: [event_d2]
})
def test_valid_method(self):
obj = TestBoboPredicateCallableMethods()
f = BoboPredicateCallable(obj.valid_method)
history = BoboHistory()
recent = []
self.assertTrue(
f.evaluate(event=PrimitiveEvent(EpochNSClock.generate_timestamp(),
KEY_VALUE),
history=history,
recent=recent))
def test_to_dict_two_match_events(self):
event_a = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())
event_b = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())
match_a = MatchEvent(nfa_name=NFA_NAME_A,
label=LABEL_LAYER_A,
event=event_a)
match_b = MatchEvent(nfa_name=NFA_NAME_A,
label=LABEL_LAYER_B,
event=event_b)
version = RunVersion()
version.add_level(
BoboRun._generate_id(nfa_name=NFA_NAME_A,
start_event_id=event_a.event_id))
version_str = version.get_version_as_str()
# match a --next--> match b
match_a.add_pointer_next(version=version_str,
label=match_b.label,
event_id=match_b.event.event_id)
# match a dict
self.assertDictEqual(
match_a.to_dict(), {
MatchEvent.NFA_NAME: NFA_NAME_A,
MatchEvent.LABEL: LABEL_LAYER_A,
MatchEvent.EVENT: event_a.to_dict(),
MatchEvent.NEXT_IDS: {
version_str: (match_b.label, match_b.event.event_id)
},
MatchEvent.PREVIOUS_IDS: {}
})
# match a <--previous-- match b
match_b.add_pointer_previous(version=version_str,
label=match_a.label,
event_id=match_a.event.event_id)
# match b dict
self.assertDictEqual(
match_b.to_dict(), {
MatchEvent.NFA_NAME: NFA_NAME_A,
MatchEvent.LABEL: LABEL_LAYER_B,
MatchEvent.EVENT: event_b.to_dict(),
MatchEvent.NEXT_IDS: {},
MatchEvent.PREVIOUS_IDS: {
version_str: (match_a.label, match_a.event.event_id)
}
})
def test_match_event_points_to_itself(self):
event_a = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())
match_a = MatchEvent(nfa_name=NFA_NAME_A,
label=LABEL_LAYER_A,
event=event_a)
version = RunVersion()
version.add_level(
BoboRun._generate_id(nfa_name=NFA_NAME_A,
start_event_id=event_a.event_id))
version_str = version.get_version_as_str()
with self.assertRaises(RuntimeError):
match_a.add_pointer_next(version=version_str,
label=LABEL_LAYER_A,
event_id=event_a.event_id)
with self.assertRaises(RuntimeError):
match_a.add_pointer_previous(version=version_str,
label=LABEL_LAYER_A,
event_id=event_a.event_id)
stub_pattern_4 = BoboPattern() \
.followed_by(
label=LABEL_A,
predicate=stub_predicate_true
).followed_by(
label=LABEL_B,
predicate=stub_predicate_true
).followed_by(
label=LABEL_C,
predicate=stub_predicate_true
).followed_by(
label=LABEL_D,
predicate=stub_predicate_true
)
event_a = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())
event_b = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())
event_c = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())
event_d = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp())
credentials = PlainCredentials('guest', 'guest')
parameters = ConnectionParameters("127.0.0.1", 5672, '/', credentials)
class StubSubscriberSetup(IReceiverSubscriber, IDeciderSubscriber,
IProducerSubscriber, IForwarderSubscriber):
def __init__(self) -> None:
super().__init__()
self.receiver_event = []
self.invalid_data = []
def predicate_key_a_value_b(event: BoboEvent, history: BoboHistory,
recent: List[BoboEvent]):
return event.data[KEY_A] == VALUE_B
def predicate_key_a_value_c(event: BoboEvent, history: BoboHistory,
recent: List[BoboEvent]):
return event.data[KEY_A] == VALUE_C
def predicate_key_a_value_d(event: BoboEvent, history: BoboHistory,
recent: List[BoboEvent]):
return event.data[KEY_A] == VALUE_D
event_a = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data={KEY_A: VALUE_A})
event_b = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data={KEY_A: VALUE_B})
event_c = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data={KEY_A: VALUE_C})
event_d = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data={KEY_A: VALUE_D})
event_e = PrimitiveEvent(timestamp=EpochNSClock.generate_timestamp(),
data={KEY_A: VALUE_E})
pattern_relaxed = BoboPattern() \
.followed_by(LABEL_LAYER_A,
